Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1989-02-27
1990-11-20
Ivy, C. Warren
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525434, 525435, C08L 7904, C08L 8100, C08L 77/06
Patent
active
049720287
ABSTRACT:
Fibrids of poly-p-phenylenebenzobisthiazole, poly-p-phenylenebenzobisoxazole, or poly-2,5-benzoxazole and thermoplastic polymers in certain mixed solvents are provided.
REFERENCES:
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patent: 4018735 (1977-04-01), Nakagawa
patent: 4207407 (1980-06-01), Helminiak
patent: 4225700 (1980-09-01), Wolfe
patent: 4228218 (1980-10-01), Takayanagi
patent: 4631318 (1986-12-01), Hwang
patent: 4640948 (1987-02-01), Rasoul
ACS, Div. of Org. Coatings etc. 48,929(1982), p. 929.
Polymer Eng. & Science, Mid-Oct. 1983, vol. 23, No. 14, pp. 784-788.
J. Macromol Sci.-Phys. B22(2), 231-257 (1983).
E. I. Du Pont de Nemours and Company
Ivy C. Warren
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